4x3 Matrix Membrane Type Keypad

The 4X3 Matrix Keypad – Membrane type is a 12-button keypad that serves as a human interface component for microcontroller projects. Here's a summary of its features, specifications, and applications:

  Features:  

• Ultra-thin design with adhesive backing for easy integration into projects
• Excellent price-performance ratio
• Easy communication with any microcontroller
• 5-pin 2.54 mm pitch connector, 4 - 3 matrix with 12 keys
• Widely used in industrial and home electronic equipment
• Flexible and can be attached to any surface
• Requires only 7 microcontroller pins to access 12 buttons

  Specifications:  

• Voltage: DC 35V
• Current: 100mA
• Contact Resistance: 500Ω
• Insulation Spec: 100MΩ at 100V
• Dielectric Strength: 250VRms
• Contact Bounce: <=5ms
• Operating Temperature: -20 to +40 °C
• Mount Style: Self-Adherence
• Length: 69.2mm
• Width: 76.9mm
• Height: 0.8mm
• Cable Length: 86mm
• Connector: Dupont 7-pin
• Weight: 8g

  Package Includes:  

• 1 X 4*3 Matrix Keyboard

This keypad is suitable for various applications where a keypad interface is needed, such as security systems, access control, industrial control, and more. Its membrane design with no moving parts makes it durable and reliable for long-term use.